加工定制：否品牌：Siemens/西门子订货号：QRA50M型号：QRA50M货号：QRA50M别名：火焰放大器外形尺寸：10*5*5cm规格：QRA50M是否跨境货源：否SIEMENS（QRA50M报价）自检功能的火焰探测器上海维修技术服务详细介绍SIEMENS（QRA50M报价）自检功能的火焰探测器上海维修技术服务QRA50M含自检功能的火焰探测器，用于连续运行的燃油或燃气燃烧器的火焰安全监测通常与LFE50火焰放大器共同使用。可根据各种工况选装隔热玻璃、放大信号、通冷风等UV灯管可更换用于QRA50MAGR450242680用于QRA51MAGR450240650QRA50M系列火焰探测器-电眼品牌：SIEMENS（西门子）(原LANDIS&GYR)产地：德国Theflamedetectorsareusedforthesupervisionofgasflames,yellow-orblue-burningoilflamesandforignitionsparkproving.Highsensitivity.Withthistypeofflamesupervision,theUVradiationemittedbygasoroilflamesisusedtogeneratetheflamesignal.Theradiationdetectorc***istsofaUV-sensitivecellwith2electrodes,whichignitewhenilluminatedwithradiationinthe190...270nmrangeofthespectrum,therebytriggeringacurrentintheflamedetectorcircuit.TheUVcelldoesnotrespondtoglowingfirebrickinthecombustionchamber,daylightorlightfromtheboilerroomillumination.Thedie-castalloyflamedetectorheadissealedwithaquartz-glasslens.Inadditiontotheplug-inUVcell,theheadcontainsarotatingshutterwhich–forthepurposeofcontinuoustestingoftheUVcell’sstrikingandextinctionvoltageperformance–interruptstheUVradiationattherateof3timespersecond.Theshutterisdrivenbyasynchronousmotorwhichissuitedforcontinuousoperation.Theflamedetectorisattachedtotheviewingtubebymeansofaflangedmountingcouplingwhichhasa1in.internalthread.A3/8in.tappingonthesideofthecouplingenablesacoolingairconduittobeconnected,providedthatdry,dust-andoil-freecompressedairis***ailable.)